<style media="screen" type="text/css">
  .button_submit{
    height: 50px;
    width: 10.5%;
    margin-top: 5px;
  }
</style>
<h1>登陆 </h1>
<h3> <%= notice %> </h3>
<%= form_tag admin_session_path, method: 'POST', class: 'form-signin' do  %>
<table>
    <tr>
      <td>
        <%= text_field_tag :login_name, nil, class: "form-control", placeholder: 'Login name', required: true %>
      </td>
    </tr>
    <tr>
      <td>
        <%= password_field_tag :password, nil, class: "form-control", placeholder: "Password", required: true %>
      </td>
    </tr>
</table>
<%= submit_tag '登陆', class: 'btn btn-lg btn-primary button_submit' %>
<% end %>
